Snowmobile trailer cap



FIG. 1 is a perspective view of the snowmobile trailer cap taken from above showing the rear and right sides of the design;

FIG. 2 is a top view of the design;

FIG. 3 is a right side view of the design, the left side being a mirror image thereof;

FIG. 4 is a front end view of the design; and,

FIG. 5 is a rear end view of the design. 

The ornamental design for snowmobile trailer cap, as shown and described. 